A 58-year-old female is receiving volume control A/C ventilation at a rate of 12/min with a tidal volume of 450 mL and an FiO2 of 40%. Her ABG results are as follows:

A 58-year-old female is receiving volume control A/C ventilation at a rate of 12/min with a tidal volume of 450 mL and an FiO2 of 40%. Her ABG results are as follows:

pH 7.35

PaCO2 44 torr

HCO3 22 mEq/L

BE 0

PaO2 91 torr

SaO2 97%

Based on this information, you should recommend which of the following?